Answer:
The principal function of vitamin D in calcium homeostasis is to increase calcium absorption from the intestine. Calcium is absorbed by both an active transcellular pathway, which is energy dependent, and by a passive paracellular pathway through tight junctions.
Explanation:
They all do in some way but if I had to pick one I would go with culture
Answer: D. Correcting a poor decision will make you more popular in school.
